Platform Leveling Master Cylinder - Genie Z-40/23N Service And Repair Manual

September 2016
12 Support and slide the extension cylinder out of
the upper pivot.
Crushing hazard. The extension
cylinder could fall when removed
from the extension boom if not
properly supported.
Component damage hazard. Be
careful not to damage the
counterbalance valves on the
primary boom extension cylinder
when removing the cylinder from
the primary boom.
Component damage hazard.
Hoses and cables can be
damaged if the primary boom
extension cylinder is dragged
across them.
Note: Note the length of the cylinder after removal.
The cylinder must be at the same length for
installation.
Part No. 1268528
Primary Boom Components
4-5
Platform Leveling Master
Cylinder
The platform leveling master cylinder acts as a
pump for the slave cylinder. It is part of the
closed-loop hydraulic circuit that keeps the platform
level through the entire range of primary boom
motion. The platform leveling master cylinder is
located inside the upper mid-pivot at the pivot end
of the primary boom.
How to Remove the Platform
Leveling Master Cylinder
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications, Hydraulic Hose and Fitting Torque
Specifications.
1 Raise the secondary boom until both the
rodend and barrel-end pivot pins of the master
cylinder are accessible.
Z-40/23N, Z-40/23N RJ
Service and Repair Manual
Bodily injury hazard. This
procedure requires specific repair
skills, lifting equipment and a
suitable workshop. Attempting
this procedure without these skills
and tools could result in death or
serious injury and significant
component damage. Dealer
service is strongly recommended.
41